package com.sky.service.Imp;


import com.sky.constant.MessageConstant;
import com.sky.constant.PasswordConstant;
import com.sky.constant.StatusConstant;
import com.sky.dto.EmployeeDTO;
import com.sky.dto.EmployeeLoginDTO;
import com.sky.dto.EmployeePageQueryDTO;
import com.sky.dto.PasswordEditDTO;
import com.sky.entity.Employee;
import com.sky.exception.AccountLockedException;
import com.sky.exception.AccountNotFoundException;
import com.sky.exception.PasswordErrorException;
import com.sky.mapper.EmployeeMapper;
import com.sky.result.PageResult;
import com.sky.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;
import sun.security.provider.MD5;

import java.time.LocalDateTime;

@Slf4j
@Service
public class EmployeeServiceImpl implements EmployeeService {

    @Autowired
    private EmployeeMapper employeeMapper;



    @Override
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = employeeLoginDTO.getPassword();

        //1、根据用户名查询数据库中的数据
        Employee employee = employeeMapper.getByUsername(username);

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }
        //密码比对
        //进行md5加密，然后再进行比对
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        log.info("password:{},employee.getPassword():{}",password,employee.getPassword());


        if (!password.equals(employee.getPassword())) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }


    @Override
    public void save(EmployeeDTO employeeDTO) {
        Employee employee = new Employee();
        // 属性拷贝
        BeanUtils.copyProperties(employeeDTO,employee);

        // 设置账号状态
        employee.setStatus(StatusConstant.ENABLE);

        // 设置默认密码
        employee.setPassword(DigestUtils.md5DigestAsHex(PasswordConstant.DEFAULT_PASSWORD.getBytes()));

        // 设置创建时间
        employee.setCreateTime(LocalDateTime.now());

        // 设置修改时间
        employee.setUpdateTime(LocalDateTime.now());

        // 设置当前创建人的ID和修改人的ID
        // TODO
        employee.setCreateUser(10L);
        employee.setUpdateUser(10L);


        log.info("插入员工数据:{}",employee);
        employeeMapper.insert(employee);
    }

    @Override
    public PageResult pageQuery(EmployeePageQueryDTO employeePageQueryDTO) {
        return null;
    }

    @Override
    public PageResult pageQueryWriteSQL(EmployeePageQueryDTO employeePageQueryDTO) {
        return null;
    }

    @Override
    public void startOrStop(Integer status, Long id) {

    }

    @Override
    public Employee getById(Long id) {
        return null;
    }

    @Override
    public void updateInformation(EmployeeDTO employeeDTO) {

    }

    @Override
    public void editPassword(PasswordEditDTO passwordEditDTO) {

    }
}
